diff --git a/testdata/parser/negative/28.txt b/testdata/parser/negative/28.txt
deleted file mode 100644
index 89580285f2fba602ae3df5d471ab293c29481eee..0000000000000000000000000000000000000000
--- a/testdata/parser/negative/28.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-Parse error at 28.pdl:5:8: Unassignable expression
-    (x + 5)++; // not assignable
-       ^